On 22.05.2015 (19:44), Gregor Cramer wrote: > What is the optimal search order?
With optimal, do you mean computationally or for the user? I.e. how most efficiently to find the right subset of positions from a huge database, or how to find the one line or set of lines the user is most likely looking for? > This means that method (a) has the following behavior: > > 1. Search position in main line > 2. If (1) fails: Search position in first variation of main line > 3. If (2) fails: Search position in second variation of main line > and so on > > And method (b) works in this way: > > 1. Search position in main line (depth 0) > 2. If (1) fails: Search position in all variations at depth 1 > 3. If (2) fails: Search position in all variations at depth 2 > and so on My hunch is that the depth-based search would be closer to what the user would need: a changed move-order is a minor deviation, whereas the order or variations is - possibly - a fairly random criterion. > Another method is also possible: > > 1. Search in current line until a variation is starting > 2. Search in variation as soon as a variation is starting > 3. After end of variation continue search after this variation > > But in this case it may happen that a position will be found in a sub- > variation, although the same position exists inside the main line. This > seems to be unexpected. Do you mean that, owing to different move orders, the sought-for position will be found first in a variation and only then in the main line? If so, I agree. Eyolf -- my eternal youth ornament just three cents of emporer's pine ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Scidb-users mailing list Scidb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/scidb-users
